Showing papers in "International Journal of Engineering Science in 2022"

TL;DR: In this article , the porosity-dependent viscoelastic functionally graded nanobeams subjected to dynamic loads and magnetic field as well as modified power-law function is presented.

TL;DR: In this paper, a higher-order unified gradient elasticity theory is conceived in a mixed variational framework based on suitable functional space of kinetic test fields, and the intrinsic form of the differential and boundary conditions of equilibrium along with the constitutive laws is consistently established.

TL;DR: In this article , a higher-order unified gradient elasticity theory is conceived in a mixed variational framework based on suitable functional space of kinetic test fields, and the intrinsic form of the differential and boundary conditions of equilibrium along with the constitutive laws is consistently established.

TL;DR: In this paper , a nonlocal surface theory is proposed for interactions between surface and bulk media of nanostructures, which is generalized to account for nonlocal contribution and reception of surface, dividing the whole landscape of nonlocal interactions into four parts of contributions.

TL;DR: In this article , the static bending characteristics of nano-size shells made of triclinic material with different curves are examined. But the behavior of these shells remains poorly understood, and the results presented in this paper can also be used as a benchmark of future works on materials with unsymmetrical crystalline structures.

TL;DR: In this article , the SARS-CoV-2 virus was modeled on a viscoelastic spherical structure and the nonlocal elasticity theory was used to consider the effect of interatomic forces on the results.

TL;DR: In this article, the SARS-CoV-2 virus was modeled on a viscoelastic spherical structure and the nonlocal elasticity theory was used to consider the effect of interatomic forces on the results.

TL;DR: In this paper , a unified approach is applied for determining both strain and stress-driven differential formulations of Timoshenko nano-beams in the presence of loading discontinuities, and novel constitutive continuity conditions (CCCs) are imposed at the beam interior points of the loading discontinuity.

TL;DR: In this article , a nonlocal model is formulated to study the size-dependent free transverse vibrations of nanobeams with arbitrary numbers of cracks, and the effect of the crack is modeled by introducing discontinuities in the slope and transverse displacement at the cracked cross-section, proportional to the bending moment and the shear force transmitted through it.

TL;DR: In this paper , the converse magnetization effect is considered in the free energy constitutive relation of nano-electro-magneto machines and a new characteristic formulation for static analysis of axially compressed piezomagnetic nanobeams comprising the FM effect is presented.

TL;DR: In this article , a two-scale computational scheme with segregated CNT networks as small scale and the overall composite consisting of polymer particles and segregated networks as the large scale is proposed.

TL;DR: In this article , the porosity distribution of composite panels is modeled by a cosine model and the sensitivity of both time-dependent transverse displacement and stresses are studied for material composition, porosity level, geometrical parameters, nonlocality and excitation frequency that supported by simply-supported, clamped, free and the combination of them as well as different curves.

TL;DR: In this paper , a simple but useful three-dimensional interface theory is proposed, in which stress discontinuity conditions across two-dimensional interfaces are replaced by traction continuity on its two sides, and the requirement for positive definiteness of elasticity tensor can be easily specified.

TL;DR: In this paper , the structural problem of a nanocomposite cantilever undergoing large displacements is formulated exploiting the well-posed stress-driven nonlocal theory to account for scale phenomena.

TL;DR: In this article , the authors investigated the performance of electrokinetic flow of Newtonian fluids with pressure-dependent viscosity through a nanoslit, and showed that the pressure dependence slightly enhances the streaming potential and power output.

TL;DR: In this paper, the authors investigated the performance of electrokinetic flow of Newtonian fluids with pressure-dependent viscosity through a nanoslit, and showed that the pressure dependence slightly enhances the streaming potential and power output.

TL;DR: In this article , a perturbation technique is applied to construct the first-order perturbations model for the incremental indentation stiffness in normal frictionless indentation of an isotropic functionally graded medium (FGM) with a constant Poisson's ratio and an in-depth variable elastic shear modulus.

TL;DR: In this article, a unified closed-form solution for the lifetime of elastic spherical and cylindrical vessels of arbitrary thickness subjected to pressures of corrosive media at different temperatures is presented.

TL;DR: In this article, the axisymmetric frictionless indentation problem for an isotropic elastic half-space with the uniform surface tension is considered, and a two-parameter analytical approximate solution is developed with coefficients evaluated in triple quadratures.

TL;DR: In this article , a unified closed-form solution for the lifetime of elastic spherical and cylindrical vessels of arbitrary thickness subjected to pressures of corrosive media at different temperatures is presented.

TL;DR: In this article , the axisymmetric frictionless indentation problem for an isotropic elastic half-space with the uniform surface tension is considered, and a two-parameter analytical approximate solution is developed with coefficients evaluated in triple quadratures.

TL;DR: In this paper , the authors proposed a theoretical model to capture the 3D geometric tortuosity of granular media comprising ovoidal and Platonic particles with shape and size polydispersities.

TL;DR: In this paper , two high-order imperfect interface models of elastic spherical interphase are developed using the Bövik-Benveniste methodology, where the effect of the layer is accounted for via jumps in the field variables across the traces of its boundaries, while corresponding jumps across the trace of its mid-surface.

TL;DR: In this article , the authors studied periodically arranged seismic barriers consisting of finite and infinite lattices to mitigate seismic surface waves in layered soils using Bloch-Flouquet theory, three different configurations of periodic barriers are examined.

TL;DR: In this paper , the authors present a continuum model to describe the reorientation of an anisotropic material structure, characterized by two fiber families able to modify their orientations following different evolution dynamics.

TL;DR: In this article , a general framework for deriving constitutive equations for soft elastomers with arbitrary initial states is established, which is based on a new proposed intrinsic embedding method of initial states, in which an additive decomposition of material strains is employed and the material coordinates can be properly defined.

TL;DR: In this paper, the authors extended Mixture Coupling Theory by bridging the chemical-thermal field based on non-equilibrium thermodynamics, and developed a new constitutive THMC fully-coupled model incorporating the interactions between chemical and thermal osmosis.

TL;DR: In this paper , the authors developed a fast and effective method of multiscale analysis of composite materials with a complex structure, which combines image analysis, statistics, Fourier analysis and analytical Representative Volume Element methods.

TL;DR: In this paper , the authors extended Mixture Coupling Theory by bridging the chemical-thermal field based on non-equilibrium thermodynamics, and developed a new constitutive THMC fully-coupled model incorporating the interactions between chemical and thermal osmosis.

TL;DR: In this paper , a nonlocal stress-driven model for geometrically nonlinear behavior of a shallow arch under radial pressure is presented, and the analytical nonlinear equilibrium equation and also buckling equations by variational principles and virtual work are found.